.header
{
	width:100%;
	background-color:#b2e4e0;
  h1
  {
    font-family:'微软雅黑','黑体';
    font-size:24px;
    margin-left:10px;
    margin-top: 0;
  }
  .container2
  {
    height: 100%;
    margin:0 auto;
    margin-left:0 auto;
    margin-top:0 auto;
    overflow:hidden;
    display: flex;
    justify-content: center;
  }
}



.logo_h
{
  text-align:center;
  display: flex;
  height: 78px;
  align-items: center;
}
.logo_h a{
	text-decoration:none;
  color:#fff;
  display: flex;
  align-items: center;
  height: 100%;
}
.logo_h h1{
}

.logo_i
{
	text-align:center;
	margin-right: 20px;
  display: flex;
  
}
#nav{
	font-size: 16px;
	justify-content: center;
  display: flex;
  
  margin: 0 0 0 15px;;
  a{
    display: flex;
    align-items: center;
    height: 78px;
    text-decoration: none;
    li{
      width: 100px;
      overflow: hidden;
      white-space: nowrap;
      padding-left: 10px;
      padding-right: 10px;
      color: #000;
    }
  }
}

#nav a:hover{
	background-color: #eee;
}

@media screen and (max-width:1000px){
  .header{
    
    #nav {
      
      a{
        height: 68px;
      }
    }
    .logo_h{
      height: 68px;
      h1{
        font-size: 20px;
      }
    }
  }
}

@media all and (max-width: 720px) {
  
  .header .logo_i {
    display: none;
  }
  .header h1 {
    margin-left: 0;
  }
  .logo_h {
    margin-left: 0;
  }
  .logo_i h1 {
    text-align: center;
  }
  
}
@media all and (max-width: 420px) {
  .logo_h h1 {
    font-size: 26px;
  }
}

@media all and (max-width: 337px) {
  .logo_h h1 {
    margin: 10px 25px 0;
  }
}